package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ReadBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.constants.article.HotArticleConstants;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.NewBehaviorDTO;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Override
    public ResponseResult readBehavior(ReadBehaviorDTO dto) {
        //1. 校验参数 文章id必须传
        if (dto.getArticleId()==null) {
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID);
        }
        //2. 根据登录用户id 或 设备id查询行为实体数据(阅读操作可不登录)
        ApUser user = AppThreadLocalUtils.getUser();
        ApBehaviorEntry entry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (user.getId()!=null || dto.getEquipmentId()!=null) {
            //3. 判断阅读行为是否存在
            Query query = Query.query(Criteria.where("entryId").is(entry.getId()).and("articleId").is(dto.getArticleId()));
            ApReadBehavior read = mongoTemplate.findOne(query, ApReadBehavior.class);
            if (read!=null) {
                //4. 存在  将阅读行为的count字段加1 并修改
                read.setCount((short) (read.getCount()+1));
                read.setUpdatedTime(new Date());
                mongoTemplate.save(read);
            }else {
                //5. 不存在  创建阅读行为 并初始化count字段值为 1
                ApReadBehavior readBehavior = new ApReadBehavior();
                readBehavior.setArticleId(dto.getArticleId());
                readBehavior.setCreatedTime(new Date());
                readBehavior.setEntryId(entry.getId());
                readBehavior.setUpdatedTime(new Date());
                readBehavior.setCount((short) 1);
                mongoTemplate.save(readBehavior);
            }
        }
        NewBehaviorDTO mess = new NewBehaviorDTO();
        mess.setType(NewBehaviorDTO.BehaviorType.VIEWS);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("阅读行为 发送消息 ==>{}",JSON.toJSONString(mess));
        return ResponseResult.okResult();
    }
}
